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How to show the last queries executed on MySQL?

...ng is enabled then we can check the queries in the log file or table based what we have mentioned in the config. Check what is enabled with the following command mysql> show variables like 'general_log%'; mysql> show variables like 'log_output%'; If we need query history in table then Exe...
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How do I run a rake task from Capistrano?

... top-level run even where the task is namespaced. Have I missed something? What happened in your case? – captainpete Oct 3 '13 at 1:34 1 ...
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Can you issue pull requests from the command line on GitHub?

... <start> <url> [<end>] But, despite the name, it's not what you want. According to the docs: Generate a request asking your upstream project to pull changes into their tree. The request, printed to the standard output, begins with the branch description, summarizes the c...
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Analyze audio using Fast Fourier Transform

...igital Signal Processing: 2nd Ed.. It was very helpful for me. So that is what those numbers represent. Converting to a percentage of height could be done by scaling each frequency component magnitude by the sum of all component magnitudes. Although, that would only give you a representation of the...
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Trigger change event of dropdown

... Still not sure what you are after. Are you trying to achieve a system whereby they select a country and it narrows the list down to the states in that country? If this is the case you will need to have an AJAX call to the server and send of...
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Proper way to initialize a C# dictionary with values?

... How do I check what version of C# I'm using or change it? – azrosen92 Jun 11 '13 at 15:33 3 ...
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How to select only the first rows for each unique value of a column

... question. You'd use the 2nd technique or Ben Thul's technique. I answered what you asked specifically, with pointers on how to solve more generally. – gbn Jan 12 '11 at 4:53 ...
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How do I measure request and response times at once using cURL?

...it's... curl -w "@curl-format.txt" -o NUL -s "http://wordpress.com/" What this does: -w "@curl-format.txt" tells cURL to use our format file -o /dev/null redirects the output of the request to /dev/null -s tells cURL not to show a progress meter "http://wordpress.com/" is the URL we are re...
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What does a b prefix before a python string mean?

...nonym for the str type, and it also supports the b'' notation.", from the "What's new". – wRAR Apr 7 '10 at 14:05 as t...
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Two versions of python on linux. how to make 2.7 the default

..., it's more common to have /usr/local/bin ahead of /usr/bin, and it may be what you actually want—but if you have it the other way around, presumably there's a good reason for that.) But you don't need to change your default Python to get the system to run 2.7 when you type python. First, you ...